1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/scummsys.h"
#include "common/error.h"
#include "common/system.h"
#include "common/textconsole.h"
#include "common/translation.h"
#include "common/debug-channels.h"
#include "common/events.h"
#include "common/file.h"
#include "audio/mixer.h"
#include "graphics/palette.h"
#include "cryomni3d/cryomni3d.h"
#include "cryomni3d/image/hlz.h"
#include "cryomni3d/video/hnm_decoder.h"
namespace CryOmni3D {
CryOmni3DEngine::CryOmni3DEngine(OSystem *syst,
const CryOmni3DGameDescription *gamedesc) : Engine(syst), _gameDescription(gamedesc),
_fontManager(), _sprites(), _dragStatus(kDragStatus_NoDrag), _autoRepeatNextEvent(-1u) {
if (!_mixer->isReady()) {
error("Sound initialization failed");
}
// Setup mixer
syncSoundSettings();
unlockPalette();
DebugMan.addDebugChannel(kDebugFile, "File", "Track File Accesses");
DebugMan.addDebugChannel(kDebugVariable, "Variable", "Track Variable Accesses");
DebugMan.addDebugChannel(kDebugSaveLoad, "SaveLoad", "Track Save/Load Function");
}
CryOmni3DEngine::~CryOmni3DEngine() {
DebugMan.clearAllDebugChannels();
}
Common::Error CryOmni3DEngine::run() {
return Common::kNoError;
}
void CryOmni3DEngine::pauseEngineIntern(bool pause) {
Engine::pauseEngineIntern(pause);
/*
if (pause) {
_video->pauseVideos();
} else {
_video->resumeVideos();
_system->updateScreen();
}
*/
}
Common::String CryOmni3DEngine::prepareFileName(const Common::String &baseName,
const char *const *extensions) const {
Common::String fname(baseName);
int lastDotPos = fname.size() - 1;
for (; lastDotPos >= 0; --lastDotPos) {
if (fname[lastDotPos] == '.') {
break;
}
}
int extBegin;
if (lastDotPos > -1) {
extBegin = lastDotPos + 1;
fname.erase(extBegin);
} else {
fname += ".";
extBegin = fname.size();
}
while (*extensions != nullptr) {
fname += *extensions;
debug("Trying file %s", fname.c_str());
if (Common::File::exists(fname)) {
return fname;
}
fname.erase(extBegin);
extensions++;
}
fname.deleteLastChar();
warning("Failed to find file %s/%s", baseName.c_str(), fname.c_str());
return baseName;
}
void CryOmni3DEngine::playHNM(const Common::String &filename, Audio::Mixer::SoundType soundType,
HNMCallback beforeDraw, HNMCallback afterDraw) {
const char *const extensions[] = { "hns", "hnm", nullptr };
Common::String fname(prepareFileName(filename, extensions));
byte *currentPalette = new byte[256 * 3];
g_system->getPaletteManager()->grabPalette(currentPalette, 0, 256);
// Pass the ownership of currentPalette to HNMDecoder
Video::VideoDecoder *videoDecoder = new Video::HNMDecoder(false, currentPalette);
videoDecoder->setSoundType(soundType);
if (!videoDecoder->loadFile(fname)) {
warning("Failed to open movie file %s/%s", filename.c_str(), fname.c_str());
delete videoDecoder;
return;
}
videoDecoder->start();
uint16 width = videoDecoder->getWidth();
uint16 height = videoDecoder->getHeight();
bool skipVideo = false;
uint frameNum = 0;
while (!g_engine->shouldQuit() && !videoDecoder->endOfVideo() && !skipVideo) {
if (videoDecoder->needsUpdate()) {
const Graphics::Surface *frame = videoDecoder->decodeNextFrame();
if (frame) {
if (videoDecoder->hasDirtyPalette()) {
const byte *palette = videoDecoder->getPalette();
setPalette(palette, 0, 256);
}
if (beforeDraw) {
(this->*beforeDraw)(frameNum);
}
g_system->copyRectToScreen(frame->getPixels(), frame->pitch, 0, 0, width, height);
if (afterDraw) {
(this->*afterDraw)(frameNum);
}
frameNum++;
}
}
g_system->updateScreen();
g_system->delayMillis(10);
if (pollEvents() && checkKeysPressed()) {
skipVideo = true;
}
}
delete videoDecoder;
}
Image::ImageDecoder *CryOmni3DEngine::loadHLZ(const Common::String &filename) {
Common::String fname(prepareFileName(filename, "hlz"));
Image::ImageDecoder *imageDecoder = new Image::HLZFileDecoder();
Common::File file;
if (!file.open(fname)) {
warning("Failed to open hlz file %s/%s", filename.c_str(), fname.c_str());
return nullptr;
}
if (!imageDecoder->loadStream(file)) {
warning("Failed to open hlz file %s", fname.c_str());
delete imageDecoder;
imageDecoder = 0;
return nullptr;
}
return imageDecoder;
}
void CryOmni3DEngine::displayHLZ(const Common::String &filename) {
Image::ImageDecoder *imageDecoder = loadHLZ(filename);
if (!imageDecoder) {
return;
}
if (imageDecoder->hasPalette()) {
const byte *palette = imageDecoder->getPalette();
setPalette(palette, imageDecoder->getPaletteStartIndex(), imageDecoder->getPaletteColorCount());
}
const Graphics::Surface *frame = imageDecoder->getSurface();
g_system->copyRectToScreen(frame->getPixels(), frame->pitch, 0, 0, frame->w, frame->h);
g_system->updateScreen();
bool exitImg = false;
while (!g_engine->shouldQuit() && !exitImg) {
if (pollEvents()) {
if (checkKeysPressed(1, Common::KEYCODE_ESCAPE) || getCurrentMouseButton() == 1) {
exitImg = true;
}
}
g_system->updateScreen();
g_system->delayMillis(10);
}
delete imageDecoder;
}
void CryOmni3DEngine::setCursor(const Graphics::Cursor &cursor) const {
g_system->setMouseCursor(cursor.getSurface(), cursor.getWidth(), cursor.getHeight(),
cursor.getHotspotX(), cursor.getHotspotY(), cursor.getKeyColor());
}
void CryOmni3DEngine::setCursor(uint cursorId) const {
const Graphics::Cursor &cursor = _sprites.getCursor(cursorId);
g_system->setMouseCursor(cursor.getSurface(), cursor.getWidth(), cursor.getHeight(),
cursor.getHotspotX(), cursor.getHotspotY(), cursor.getKeyColor());
}
bool CryOmni3DEngine::pollEvents() {
Common::Event event;
bool hasEvents = false;
uint oldMouseButton = getCurrentMouseButton();
while (g_system->getEventManager()->pollEvent(event)) {
if (event.type == Common::EVENT_KEYDOWN) {
_keysPressed.push(event.kbd);
}
hasEvents = true;
}
_dragStatus = kDragStatus_NoDrag;
uint currentMouseButton = getCurrentMouseButton();
if (!oldMouseButton && currentMouseButton == 1) {
// Starting the drag
_dragStatus = kDragStatus_Pressed;
_dragStart = getMousePos();
} else if (oldMouseButton == 1) {
// We were already pressing
if (currentMouseButton == 1) {
// We are still pressing
Common::Point delta = _dragStart - getMousePos();
if (ABS(delta.x) > 2 || ABS(delta.y) > 2) {
// We moved from the start point
_dragStatus = kDragStatus_Dragging;
} else if (_autoRepeatNextEvent != -1u) {
// Check for auto repeat duration
if (_autoRepeatNextEvent < g_system->getMillis()) {
_dragStatus = kDragStatus_Pressed;
}
}
} else {
// We just finished dragging
_dragStatus = kDragStatus_Finished;
// Cancel auto repeat
_autoRepeatNextEvent = -1;
}
}
// Else we weren't dragging and still aren't
return hasEvents;
}
void CryOmni3DEngine::setAutoRepeatClick(uint millis) {
_autoRepeatNextEvent = g_system->getMillis() + millis;
}
uint CryOmni3DEngine::getCurrentMouseButton() {
int mask = g_system->getEventManager()->getButtonState();
if (mask & 0x1) {
return 1;
} else if (mask & 0x2) {
return 2;
} else {
return 0;
}
}
void CryOmni3DEngine::waitMouseRelease() {
while (g_system->getEventManager()->getButtonState() != 0 && !g_engine->shouldQuit()) {
pollEvents();
g_system->updateScreen();
g_system->delayMillis(10);
}
}
void CryOmni3DEngine::setMousePos(const Common::Point &point) {
g_system->warpMouse(point.x, point.y);
// Ensure to update mouse position in event manager
pollEvents();
}
Common::Point CryOmni3DEngine::getMousePos() {
return g_system->getEventManager()->getMousePos();
}
Common::KeyState CryOmni3DEngine::getNextKey() {
if (_keysPressed.empty()) {
return Common::KeyState();
} else {
return _keysPressed.pop();
}
}
bool CryOmni3DEngine::checkKeysPressed() {
Common::KeyCode kc = getNextKey().keycode;
if (kc != Common::KEYCODE_INVALID) {
clearKeys();
return true;
} else {
return false;
}
}
bool CryOmni3DEngine::checkKeysPressed(uint numKeys, ...) {
bool found = false;
Common::KeyCode kc = getNextKey().keycode;
while (!found && kc != Common::KEYCODE_INVALID) {
va_list va;
va_start(va, numKeys);
for (uint i = 0; i < numKeys; i++) {
// Compiler says that KeyCode is promoted to int, so we need this ugly cast
Common::KeyCode match = (Common::KeyCode) va_arg(va, int);
if (match == kc) {
found = true;
break;
}
}
va_end(va);
kc = getNextKey().keycode;
}
clearKeys();
return found;
}
void CryOmni3DEngine::copySubPalette(byte *dst, const byte *src, uint start, uint num) {
assert(start < 256);
assert(start + num < 256);
memcpy(&dst[3 * start], &src[3 * start], 3 * num * sizeof(*dst));
}
void CryOmni3DEngine::setPalette(const byte *colors, uint start, uint num) {
if (start < _lockPaletteStartRW) {
colors = colors + 3 * (_lockPaletteStartRW - start);
start = _lockPaletteStartRW;
}
uint end = start + num - 1;
if (end > _lockPaletteEndRW) {
num = num - (end - _lockPaletteEndRW);
end = _lockPaletteEndRW;
}
g_system->getPaletteManager()->setPalette(colors, start, num);
// Don't update screen there: palette will be updated with next updateScreen call
}
void CryOmni3DEngine::fadeOutPalette() {
byte palOut[256 * 3];
uint16 palWork[256 * 3];
uint16 delta[256 * 3];
g_system->getPaletteManager()->grabPalette(palOut, 0, 256);
for (uint i = 0; i < 256 * 3; i++) {
palWork[i] = palOut[i] << 8;
delta[i] = palWork[i] / 25;
}
for (uint step = 0; step < 25 && !g_engine->shouldQuit(); step++) {
for (uint i = 0; i < 256 * 3; i++) {
palWork[i] -= delta[i];
palOut[i] = palWork[i] >> 8;
}
setPalette(palOut, 0, 256);
// Wait 50ms between each steps but refresh screen every 10ms
for (uint i = 0; i < 5; i++) {
g_system->updateScreen();
g_system->delayMillis(10);
}
}
setBlackPalette();
}
void CryOmni3DEngine::fadeInPalette(const byte *palette) {
byte palOut[256 * 3];
uint16 palWork[256 * 3];
uint16 delta[256 * 3];
memset(palOut, 0, sizeof(palOut));
memset(palWork, 0, sizeof(palWork));
for (uint i = 0; i < 256 * 3; i++) {
delta[i] = (palette[i] << 8) / 25;
}
setBlackPalette();
for (uint step = 0; step < 25 && !g_engine->shouldQuit(); step++) {
for (uint i = 0; i < 256 * 3; i++) {
palWork[i] += delta[i];
palOut[i] = palWork[i] >> 8;
}
setPalette(palOut, 0, 256);
// Wait 50ms between each steps but refresh screen every 10ms
for (uint i = 0; i < 5; i++) {
g_system->updateScreen();
g_system->delayMillis(10);
}
}
setPalette(palette, 0, 256);
g_system->updateScreen();
}
void CryOmni3DEngine::setBlackPalette() {
byte pal[256 * 3];
memset(pal, 0, 256 * 3);
g_system->getPaletteManager()->setPalette(pal, 0, 256);
g_system->updateScreen();
}
void CryOmni3DEngine::fillSurface(byte color) {
g_system->fillScreen(color);
g_system->updateScreen();
}
} // End of namespace CryOmni3D
|